Varner (IMAGE) University of Texas at San Antonio Caption Tom Varner, a UTSA doctoral student in environmental science and engineering, explored the mobility of arsenic from the sediments surrounding the Meghna River in Bangladesh as part of a National Science Foundation-funded project. Credit The University of Texas at San Antonio Usage Restrictions N/A License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.